25 Watt, 36 Inch T8 Cool White Fluorescent Bulb

SKU: 281915 | Ordering Code: F25T8/TL841/ALTO

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Product Details

Brand

Philips Lighting

Energy Used

A rating, expressed in watts, to indicate the rate at which a lamp consumes energy. Also known as wattage value.

Energy Used

25 Watts

Base

The end (or ends) of the lamp that fits into the socket.

Base

Medium Bipin

Bulb Shape

The description of the general appearance of a lamp/bulb consists of a letter(s) followed by a number. The letter indicates the shape of the bulb and the number relates to the diameter of the bulb in eighths of an inch. For example, a common household bulb is the A-19. The bulb is "A" shape and the diameter would be nineteen 8ths of an inch, or 2 3/8".

Bulb Shape

T-8

Bulb Color

The color of the light produced by a bulb

Bulb Color

Cool White

CRI

Color Rendering Index is an international system used to rate a lamp's ability to render object colors. The higher the CRI (based upon a 0-100 scale) the richer and more accurately colors generally appear. CRI differences among lamps are not usually visible to the eye unless the difference is more than 3-5 points.

CRI

84

Color Temperature (Kelvin)

An expression of the hue of the light emitted, measured in degrees Kelvin. Usually expressed by a four digit number followed by (k), such as 2700k. Higher temperatures indicate whiter, "cooler" colors, while lower temperatures indicate yellower, "warmer" colors. Some common Kelvin temperature benchmarks are 2700k (warm white), 3500k (neutral white), 4100k (cool white), 5000k (bright white), and 6500k (daylight).

Color Temperature (Kelvin)

4100

Brightness (Lumens)

A rating of the inital light output of a bulb, rated after 100 hrs of operation. Lumens are a measure of how much light falls on one square foot of area, one foot away from the light source.

Brightness (Lumens)

2150

Bulb Finish

The surface finish of a bulb, which may affect the quality of the light emitted.

Bulb Finish

Opaque

Bulb Technology

The technology implemented by the bulb, e.g. incandescent, halogen, LED

Bulb Technology

Fluorescent

Average Rated Life (hr)

A measurement of the average length of time, between first use and the point when 50% of the lamps tested have stopped functioning, , using an operating cycle of 3 hours on, 20 minutes off.

Average Rated Life (hr)

24000

Average Rated Life (12 hr start)

The number of hours at which half of a large sample of lamps has failed, using an operating cycle of 12 hours on, 20 minutes off.

Average Rated Life (12 hr start)

30000

Length (in)

Also referred to as "Maximum Overall Length" (MOL). For light bulbs, it measures the length of a light bulb, from the top of the bulb to the bottom of the base or pins and is typically expressed in inches. For light fixtures and ballasts, it applies to the total horizontal length of the item.

Length (in)

36

Diameter (in)

Light bulbs: a measurement of a bulb's width taken at the widest point of the bulb. Fixtures: the measurement across the widest point of a circular fixture.

My wife and I are full-time RV'ers, and therefore we need to have things that work. Recently the fluorescent tubes in big kitchen started going out. We use that particular light most of the day, whether we use additional lights or not.

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